diff --git a/src/kbmod/search/image_stack.h b/src/kbmod/search/image_stack.h
index 38da110d..f9c5acac 100644
--- a/src/kbmod/search/image_stack.h
+++ b/src/kbmod/search/image_stack.h
@@ -29,7 +29,7 @@ namespace search {
     float get_obstime(int index) const;
     float get_zeroed_time(int index) const;
     std::vector<float> build_zeroed_times() const;  // Linear cost.
-      
+
     // Apply makes to all the images.
     void apply_global_mask(int flags, int threshold);
     void apply_mask_flags(int flags, const std::vector<int>& exceptions);
diff --git a/src/kbmod/search/pydocs/image_stack_docs.h b/src/kbmod/search/pydocs/image_stack_docs.h
index e0a4db17..b6593feb 100644
--- a/src/kbmod/search/pydocs/image_stack_docs.h
+++ b/src/kbmod/search/pydocs/image_stack_docs.h
@@ -13,15 +13,15 @@ namespace pydocs {
   static const auto DOC_ImageStack_img_count = R"doc(
   Returns the number of images in the stack.
   )doc";
-      
+
   static const auto DOC_ImageStack_get_single_image = R"doc(
   Returns a single LayeredImage for a given index.
   )doc";
-      
+
   static const auto DOC_ImageStack_get_obstime = R"doc(
   Returns a single image's observation time in MJD.
   )doc";
-    
+
   static const auto DOC_ImageStack_get_zeroed_time = R"doc(
   Returns a single image's observation time relative to that
   of the first image.
@@ -31,7 +31,7 @@ namespace pydocs {
   Construct an array of time differentials between each image
   in the stack and the first image.
   ")doc";
-    
+
   static const auto DOC_ImageStack_apply_mask_flags = R"doc(
   todo
   )doc";